掌浅弓组成的形式变异早有记载,但左侧正中动脉发自尺动脉并吻合成掌浅弓较少见,作者在解剖1具福尔马林灌注的成年男性尸体,约50岁,身长160 cm,发现其左前臂正中动脉起自尺动脉,并和尺动脉吻合成掌浅弓(图1,2),现报道如下: The variation of the form of superficial arch of the hand has long been documented. However, it is rare for the left median artery to originate from the ulnar artery and kiss into the superficial palpebral arch. An autopsy of an adult male with formalin perfusion, about 50 years old, 160 cm, found that its left forearm artery from the ruler artery and anastomosis and the ulnar artery palmopal arch (Figure 1,2), are reported as follows: